Can you answer #\'s 22-50? a. divide the number of non-smokers by the number of

Question

Can you answer #'s 22-50?

a. divide the number of non-smokers by the number of smokers. b. add them together and divide by the number of smokers. c. divide the number of smokers by the number of non-smokers. d. multiply the number of smokers by the total number of people. 22. To find the ratio of smokers to non-smokers, you would 23. Proportions and percentages, ratios and rates are all ways of expressing a. concise distributions of a variable. b. data without leaving out any details. c. relative frequencies d. raw frequencies. 24. To calculate a proportion, the number of cases in any category () is divided by a. the total number of categories (k) b. the number of cases in all categories (N). c. the cases in that category (f) d. the number of cases in adjacent categories (k-1). 25. Frequency distributions may be compiled for variables measured at which level? a. Nominal b. Ordinal c. Interval-ratio d. All of the above 26. A is the number of times a phenomena occurs divided by the total possible occurrences. a. rate b. frequency distribution c. ratio d. histogram 27. The crude birth rate of a city that has 250 births in a year and a population of 7500 would be found by using which of the following? a. crude birth rate (250/7500) x 1000 6 Page

Explanation / Answer

22 -> c

23 -> c

24 -> b

25 -> d

26 -> b

27 -> a

28 -> d

29 -> a

30 -> a

31 -> c

32 -> a

33 -> a

34 -> a

35 -> a

36 -> b

37 -> c

38 -> a

39 -> b

40 -> b

41 -> b

42 -> c

43 -> c

44 -> a

45 -> a

46 -> b

47 -> c

48 -> d

49 -> b

50 -> a

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